45145555103 has 4 divisors (see below), whose sum is σ = 49249696488. Its totient is φ = 41041413720.

The previous prime is 45145555097. The next prime is 45145555109. The reversal of 45145555103 is 30155554154.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (45145555097) and next prime (45145555109).

It is a cyclic number.

It is not a de Polignac number, because 45145555103 - 2¹⁰ = 45145554079 is a prime.

It is a super-2 number, since 2×45145555103² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145555109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052070676 + ... + 2052070697.

It is an arithmetic number, because the mean of its divisors is an integer number (12312424122).

Almost surely, 2^45145555103 is an apocalyptic number.

45145555103 is a deficient number, since it is larger than the sum of its proper divisors (4104141385).

45145555103 is a wasteful number, since it uses less digits than its factorization.

45145555103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4104141384.

The product of its (nonzero) digits is 150000, while the sum is 38.

It can be divided in two parts, 451 and 45555103, that added together give a palindrome (45555554).

The spelling of 45145555103 in words is "forty-five billion, one hundred forty-five million, five hundred fifty-five thousand, one hundred three".